When it comes to sex, some women like surprises (look, we're on video!) more than others. But no chick will be able to resist these carnal curveballs.

Make It All About Her Pleasure In many cases, when you give, she thinks it's just so you can receive. "A lot of women are afraid that guys only pretend to like giving oral sex to get reciprocation," says Pam Spurr, Ph.D., author of Make Love All Night and Talk to Him in the Morning. "So if you do it spontaneously and out of the blue, it sends the message that you find her irresistible."

Of course, if you kiss your girl's neck and start winding your way down, she's going to be able to deduce what comes next. Instead, shock her panties off by stimulating her south of her border when she least expects it. One idea: Start her day off right by waking her up with oral action and a glass of OJ.

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Give Her Kudohhs When the sack session is so silent that your girl can hear crickets chirping in the background, she may think, "Gee, is it that bad?" That's why if you surprise her with unexpected moans or even a "God, that's amazing," she'll be psyched. "When you make noise or give a compliment, especially if it's out of character, she feels like she's really pleasing you," says Spurr. "It boosts her confidence in her sex skills and encourages her to initiate that feel-good move in the future."

Keep Up the Kissing In the throes of passion, it's tough to remember the simple things like, you know, your name. Another essential that often falls by the wayside: lip-locking. "Sometimes men get so consumed with what's going on below the belt that they stop kissing during sex," says Yvonne K. Fulbright, author of The Hot Guide to Safer Sex. "To make her feel like you're present and into her, you have to keep up that connection." While in the act, take a minute to resume making out. Not only will it help you to pace yourself (wink, wink), but she'll also be pleasantly surprised that you've added that sweet something extra.

Have a Postgame Plan Sure, sex can be exhausting, so she sort of understands when you roll over and go right to...zzz. In fact, she probably expects it. So you can only imagine how shocked she'll be if you snuggle up against her after the fact and suggest taking a hot shower or sharing a bowl of ice cream. "She knows it's an effort for you, so it makes her feel appreciated," says Fulbright. "Plus, it's a treat that switches up your usual sex routine."